Cosmetic sponge



FIG. 1 is a perspective view of the cosmetic sponge showing the new design;

FIG. 2 is a side view thereof, it being noted that the device is symmetric and appears the same from each of front, back, right and left side views;

FIG. 3 is a side exploded view thereof it being noted that the device is symmetric and appears the same from each of front, back, right and left exploded side views;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

CLAIM The ornamental design for a cosmetic sponge, as shown and described. 